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Japanese

Clinical application of the two dimensional ballistocardiogram.:Part 1 Study on the respiratory variation of the IJ segment in normal adults. NAKAMURA YOSHIRO 1 1Fellow of Postgraduate Medical School, Department of Internal Medicine, School of Medicine, Keio University pp.59-64
Published Date 1960/1/15
DOI https://doi.org/10.11477/mf.1404200855
  • Abstract
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Using a modified von Wittern's type two dimensional low frequency ballistocardiograph, the respiratory variation of the IJ segment in 30 normal adults was studied.

The direction of the IJ segment on the frontal plane had a tendency variate with the change in the direction of the cardiac axis by the respiration.

But the change in the ballistic force caused by the respiration was more eminent, and the respiratory variation of the IJ amplitude on the frontal plane was almost same to that of the longitudinal IJ ampli-tude, because the lateral amplitude in normal adults was small.

Hence it was concluded that respiratory variation of the longitudinal IJ amplitude was caused chiefly by that of the IJ amplitude on the frontal plane and very little by the variation of the direction.


Copyright © 1960, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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